1B74SDS Sheave single-groove 7.75" OD #100 BTB Type Sprockets This 120A11 sprocket is a

This 120A11 sprocket is a durable

This 120BS32 sprocket features a 1-1/4" finished bore with a key-way and two set screws

This 100C11 sprocket is a durable

This 10A roller chain is manufactured dimensionally to ANSI B29

Sprocket Size: 120A40

1B74SDS Sheave single-groove 7.75" OD #100 BTB Type Sprockets This 120A11 sprocket is aThis 1B74SDS sheave features one groove, is 7. 75" in diameter, and is designed to use a SDS bushing. QD (quick detachable) style sheaves offer a wider selection of bore sizes versus a standard "fixed" bore style sheave. Also because they are a two component part if one component fails the entire part doesn't need to be replaced. All of our sheaves are manufactured out of an extremely durable cast iron, are dynamically balanced at the factory, and are